Seiko Cal. 6131 - 364

The 6131-364 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6131 caliber with 21j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-e2e28c7fc3f8]

Also known as: Tuna, Panda

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1968

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